3x(a-b)-6y(b-a)
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3x(a-b)-6y(b-a)3x(a-b)-6y(b-a)3x(a-b)-6y(b-a)=(3x+6y)(a-b)3x(a-b)-6y(b-a)=3x(a-b)+6y(a-b)=3(a-b)(x+2
3x(a-b)-6y(b-a)
3x(a-b)-6y(b-a)
3x(a-b)-6y(b-a)
=(3x+6y)(a-b)
3x(a-b)-6y(b-a)
=3x(a-b)+6y(a-b)
=3(a-b)(x+2y)
3x(a-b)-6y(b-a)
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3a(x-y)-6b(y-x)
3a(x-y)-6b(y-x)
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